I've got some 90% Isopropyl alcohol / 10% water solution I'm wanting to dilute down to 75/25 to use as hand sanitiser. I can't work out the formula I need that will tell me the required amount of water I need to add to a given quantity of 90/10 to make 75/25.
One step further. I'm also going to try adding 2% Glycerol to make it less harsh. What formula would I need to end up with
75% IPA / 23% water / 2% Glycerol from 90/10?
Any help appreciated
One step further. I'm also going to try adding 2% Glycerol to make it less harsh. What formula would I need to end up with
75% IPA / 23% water / 2% Glycerol from 90/10?
Any help appreciated